Product Applications

Spring Cylinder Linear Actuator

The MASCOT spring cylinder linear actuator is a powerful, high-performance pneumatic actuator that provides positive throttling or on-off operation for automatic control valves. The positioner and most sized cylinders are designed for supply pressures up to 150 psi, making very high thrusts attainable in a compact unit.

This actuator is fully field reversible for air-to-open or air-to-close action without additional parts; a spring provides fail-safe operation. The positioner supplies air to both sides of the piston, providing exceptionally stiff, precise movement together with very high frequency response.

High frequency

Compact and lightweight

Spring cylinder linear actuators are substantially lighter and more compact than comparable linear diaphragm actuators, for easier installation and maintenance.

Wide range of sizes

Standard actuator sizes 25, 50 and 100 will handle thrust requirements for over 95 percent of process applications. Larger sizes up through size 600 are available for special applications.

Fewer parts

Spring cylinder linear actuators have 1 /3 fewer parts than diaphragm linear actuators. Wear parts cost 1 /10 of those for diaphragms, and less inventory is required to maintain actuators.

Dynamic positioning accuracy

Supply pressure is sent to both sides of the piston for stiff, precise actuator operation. Small air volume between the piston and the bottom of the cylinder provides powerful pneumatic stiffness, allowing a high pressure drop – without plug slamming.